CULLMAN COUNTY, Alabama -- Jackknifed 18-wheelers led to miles standstill traffic for several hours Tuesday morning along Interstate 65 in Cullman and Blount counties.

3 p.m.: All lanes are flowing through the wreck area.

12:15 p.m.: One northbound lane is open through the wreck area near Cullman. The earlier traffic jam is gradually clearing.

9:45 a.m.:Wreckers are getting to the scene though it may be a long time before the trucks are removed, Alabama Department of Transportation spokeswoman Crockett said.

Drivers report standstill northbound traffic stretching back through Dodge City toward the Blount County line.

Roads in Cullman and Blount counties have taken hard hits from the first round of wintry precipitation which began falling Monday night. Slick spots have been reported along most roads in those counties, including the exit and on-ramps to Interstate 65 in Hayden, according to authorities.